The 13B-T has only one twin-scroll turbocharger along with the four-injector gas injection in the 13B-DEI. You will discover not variable ingestion and 6PI systems. The 13B-T engine options the 4 port consumption design and style which similar to early 13B engines from 70's. as depicted on Youtube, leave it https://mazda13brewmotorforsale50705.shoutmyblog.com/26351446/built-13b-motor-for-sale-options